1960 – SLOMAR Space Tug – The Martin Company (American)

  Above: The 2-man Space Tug Extra Images sourced from here. Cancelled Projects: SLOMAR By Jos Heyman (with some help from the correspondents of the Secretprojects forum) In 1959 the US Air Force started the Space Logistics, Operations, Maintenance and Rescue (SLOMAR) study to generate preliminary designs of crewed space vehicles that could support manned …